72333771 has 8 divisors (see below), whose sum is σ = 97529040. Its totient is φ = 47680512.

The previous prime is 72333749. The next prime is 72333787. The reversal of 72333771 is 17733327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72333771 - 2⁹ = 72333259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72333731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135190 + ... + 135723.

It is an arithmetic number, because the mean of its divisors is an integer number (12191130).

Almost surely, 2^72333771 is an apocalyptic number.

72333771 is a deficient number, since it is larger than the sum of its proper divisors (25195269).

72333771 is a wasteful number, since it uses less digits than its factorization.

72333771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271005.

The product of its digits is 18522, while the sum is 33.

The square root of 72333771 is about 8504.9262783401. The cubic root of 72333771 is about 416.6586179423.

The spelling of 72333771 in words is "seventy-two million, three hundred thirty-three thousand, seven hundred seventy-one".